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<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <script>

        var color = ['red','yellow','blue'];
        console.log(color.push('pink'));//push 接受任意的参数，把他们逐个添加到末尾，并返回这个数组的长度
        console.log(color.push('yellow','pink'));
        console.log(color);
        // console.log(color);



        console.log(color.pop(0,3));
        console.log(color);
    </script>
</body>
</html>